1. Research Associate, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Louisiana Transportation Research Center, 4101 Gourrier Ave., Baton Rouge, LA 70808.
2. Irma Louise Rush Stewart Distinguished Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Louisiana Transportation Research Center, 4101 Gourrier Ave., Baton Rouge, LA 70808 (corresponding author).
3. Associate Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., PTF Hall, Room 3526C, Baton Rouge, LA 70803.
4. Materials Research Administrator, Louisiana Transportation Research Center, 4101 Gourrier Ave., Baton Rouge, LA 70808.
5. Associate Professor, Dept. of Civil Engineering and Construction Engineering Management, California State Univ., Long Beach, CA 90840.